CN106264701A - Fracture of femoral neck bone grafting instrument - Google Patents
Fracture of femoral neck bone grafting instrument Download PDFInfo
- Publication number
- CN106264701A CN106264701A CN201610636380.7A CN201610636380A CN106264701A CN 106264701 A CN106264701 A CN 106264701A CN 201610636380 A CN201610636380 A CN 201610636380A CN 106264701 A CN106264701 A CN 106264701A
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- China
- Prior art keywords
- pin
- fracture
- bone grafting
- femoral neck
- guiding cylinder
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Classifications
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
- A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like
- A61B17/88—Osteosynthesis instruments; Methods or means for implanting or extracting internal or external fixation devices
- A61B17/8802—Equipment for handling bone cement or other fluid fillers
- A61B17/8805—Equipment for handling bone cement or other fluid fillers for introducing fluid filler into bone or extracting it
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
- A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like
- A61B17/88—Osteosynthesis instruments; Methods or means for implanting or extracting internal or external fixation devices
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
- A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like
- A61B17/88—Osteosynthesis instruments; Methods or means for implanting or extracting internal or external fixation devices
- A61B17/8802—Equipment for handling bone cement or other fluid fillers
- A61B17/8841—Tools specially adapted to engage a prosthesis
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Surgery (AREA)
- Medical Informatics (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Surgical Instruments (AREA)
- Prostheses (AREA)
Abstract
The present invention relates to a kind of fracture of femoral neck bone grafting instrument, belong to medical apparatus and instruments.The technical solution used in the present invention is: fracture of femoral neck bone grafting instrument, including the guiding cylinder that centre is through hole, the front end guiding cylinder sets the interior hexagonal that the outer-hexagonal bolt with hollow screw coordinates, the rear end guiding cylinder sets the extension block body of a week, and the through hole internal diameter of described guiding cylinder is identical with the internal diameter size of hollow screw；Also including disclosing pin, the front end disclosing pin sets the spherical groove of indent, described in disclose the diameter of pin less than guiding cylinder and the internal diameter of hollow screw, disclose the length of pin more than hollow screw length with guide tube length degree sum, the rear portion external diameter surface disclosing pin is provided with scale.
Description
Technical field
The present invention relates to a kind of fracture of femoral neck bone grafting instrument, belong to medical apparatus and instruments.
Background technology
Fracture of femoral neck is kind of a common fracture, and the modus operandi of clinical treatment fracture of femoral neck is more, for the age
Shift-type patients with fracture of neck below 65 years old, fixing in closed reduction is first-selected therapeutic modality.If patient's relatively year
Gently, it is not necessary to take hip replacement surgery, retain femoral head, often use reduction fixation operation.
Reduction fixation is performed the operation.Mode be divided into two kinds: 1. open reduction and Kirschner wire fixation, advantage be can be to fracture of femoral neck at
Rear carries out bone grafting, and the operation technique visual field is big, resets easily；Shortcoming is that Posterior approach is big to angiolysis, is unfavorable for fracture
Healing, it cannot reduce the risk of ischemic necrosis of femoral head.2. closed reduction, advantage is not destroy the blood vessel at rear, is conducive to
The healing of fracture reduces ischemic necrosis of femoral head；Shortcoming be closed reduction cannot bone grafting, fracture defect cannot make up, increase suffer from
Person's bed rest time, a healing of fracture, bone ischemic necrosis index often do not beat target.
Consulting anamnesis, fracture disunion is relevant with many factors, and one of key factor is that the fracture Dragon Boat Festival is good
Contact, by CT examination before analysis operation in patients, all there is broken bone piece at patients with fracture of neck neck of femur rear, and the bone piece of fragmentation causes
Neck of femur rear Cranial defect.In the past open reduction internal fixation, we pass through rear side approach, and autologous bone is implanted bone
Folding end, hollow screw pressurization is fixing, and the damage of this operation method is bigger；And fixing in the most often using closed reduction, but nothing
The bone grafting that method is broken in fracture.
Summary of the invention
The present invention provides a kind of fracture of femoral neck bone grafting instrument, solves the not side of the bone grafting in fracture closed reduction internal fixation operation
Just problem.
For achieving the above object, the technical solution used in the present invention is:
Fracture of femoral neck bone grafting instrument, including the guiding cylinder that centre is through hole, guides the front end of cylinder to set the outer-hexagonal with hollow screw
The interior hexagonal that bolt coordinates, guides the rear end of cylinder to set the extension block body of a week, the through hole internal diameter of described guiding cylinder and hollow screw
Internal diameter size identical；
Also including disclosing pin, the front end disclosing pin sets the spherical groove of indent, described in disclose the diameter of pin less than guiding cylinder and hollow screw
Internal diameter, the length disclosing pin more than hollow screw length and guides tube length degree sum, and the rear portion external diameter surface disclosing pin is provided with scale.
As preferably, disclose the rear portion of pin and set area of section and push away body more than disclose pin,
Further preferably, between the block body of described guiding cylinder and through hole, set round and smooth arcwall face transition, guide cylinder surface to set up defences cunning
Structure.
The most preferably, a length of 90mm-120mm of described guiding cylinder.
As preferably, described guiding cylinder is medical plastic material, and disclosing pin is medical metal material.
As preferably, described in disclose the external diameter of pin be 2.7-2.85mm, guide the internal diameter of cylinder to be all with the internal diameter of hollow screw
2.9mm。
As preferably, described in disclose the external diameter of pin be 2.8mm.
The advantage of patent is: solve bone grafting difficulty when closed reduction menisectomy process cannot expose neck of femur rear structure
Problem, the addition of bone grafting in accurate art, improve union of fracture effect, device structure requires simple, easily manufactures.
Accompanying drawing explanation
Fig. 1 is the overall structure schematic diagram of the present invention,
Fig. 2 is the Split type structure schematic diagram of the present invention,
Reference: 1 guides hexagonal 5 in cylinder 2 block body 3 through hole 4 to disclose pin 6 spherical groove 7 scale 8 pushes away body 9 and implant bone 10 hollow screw.
Detailed description of the invention
The present invention is as shown in the figure:
Fracture of femoral neck bone grafting instrument, including the guiding cylinder 1 that centre is through hole 3, outside guiding the front end of cylinder 1 to set with hollow screw 10
The interior hexagonal 4 that hex bolts coordinates, guides the rear end of cylinder 1 to set the extension block body of a week 2, the through hole internal diameter of described guiding cylinder 1 with
The internal diameter size of hollow screw is identical；
Also including disclosing pin 5, the front end disclosing pin 5 sets the spherical groove 6 of indent, described in disclose the diameter of pin 5 less than guiding cylinder and hollow spiral shell
The through hole internal diameter of nail, the length disclosing pin 5 more than hollow screw length and guides tube length degree sum, discloses the rear portion external diameter surface of pin 5
It is provided with quarter 7 degree.
Disclose the rear portion of pin 5 to set area of section and push away body 8 more than disclose pin.Set round and smooth between the block body 2 of guiding cylinder 1 and through hole 3
Arcwall face transition, guides cylinder 1 surface to set anti-skid structure.
Guide a length of 90mm-120mm of cylinder 1.Guiding cylinder 1 is medical plastic material, discloses pin 5 for medical metal material.
The external diameter disclosing pin 5 is 2.7-2.85mm, guides the internal diameter of cylinder 1 to be all 2.9mm with the internal diameter of hollow screw.Disclose pin 5
Preferred external diameter be 2.8mm.
Present invention application in operation:
First, by Continuous Epidural Block, the lower extension table continuous traction suffering limb of C arm machine perspective, suffering limb abduction inward turning, continue soft
The traction offside lower limb of sum；C arm perspective makes fracture end anatomical reduction as far as possible, resets, after reset until the lower fracture of perspective is satisfied
Keep suffering limb neutral position；Then, sterilizing, spread aseptic towel, below greater trochanter, 4-5cm cuts aperture, three, each about 1cm, respectively
Squeeze into three pieces of guide pins；Position, C arm machine fluoroscopic examination neck of femur positive side, position is good.
Squeezing into hollow screw (7.3mm diameter) to fracture site respectively, medical personnel grip guiding cylinder, hollow screw
Outer-hexagonal access the interior hexagonal guiding cylinder 1 front end, the bone that band is implanted is put into the spherical groove of cleansing pin front end, cleansing pin is from guiding
Cylinder 1 rear end through hole inserts, and is advanced into the through hole of hollow screw before disclosing pin, finally implants bone and pushes in femur.Often locate about 5 pieces；Again
After secondary perspective hollow nail position is satisfied, sewing up the incision, operation completes.
Above-mentioned implantation bone source point three classes, the most autologous bone, allograph bone and artificial bone.
Hip joint flexion-extension motion within the most postoperative 48 hours, can be carried out, and lower limb muscles contractile function is taken exercise；Hold up in 1 month
Crutches are movable, and suffering limb is not born a heavy burden, and holds up crutches to walk after 1 month, and suffering limb part is born a heavy burden, and strengthen functional exercise.The positive side of postoperative routine
Position
X-ray checks, according to clinical manifestation and X-ray film inspection after half a year, as reached bony union, and work of can bearing a heavy burden completely
The present invention has carried out data statistics in clinical practice.
After the bone grafting operation that the application present invention is carried out, what patient did not waited through 12-26 month follows up a case by regular visits to, and within average 15 months, checks
Display healing time is 4～11 months, average 5.2 months.Patient populations is 41 examples, wherein uses the present invention to carry out bone grafting
Post operation, cures 38 examples (92.7%), nonunion 2 example, femur head necrosis 1 example.
Bone grafting patient for curing uses Brumback Hip function assessment standard:
Excellent, normal hip joint is movable, without pain, does not has obvious Imageology；
Good, the range of activity of Normal Hip 75%, without pain, imaging evaluation hip joint MC；
Can/poor, the hip arthralgia is with moderate or serious hip joint limitation of activity, and moderate person is serious, and iconography is bad, or regression
Property joint change.
In 38 examples, excellent 20 examples, good 14 examples, can/differ from 4 examples.
All do not occur during this group follow-up of patients interior fixing to loosen, rupture, skid off and neck of femur cripetura and coxa vara abnormal
Shape etc..
Claims (7)
1. a fracture of femoral neck bone grafting instrument, is characterized in that, including the guiding cylinder (1) that centre is through hole (3), guides cylinder (1)
Front end sets the interior hexagonal (4) that the outer-hexagonal bolt with hollow screw (10) coordinates, and guides the rear end of cylinder (1) to set the extension gear of a week
Body (2), the through hole internal diameter of described guiding cylinder (1) is identical with the internal diameter size of hollow screw；
Also including disclosing pin (5), the front end disclosing pin (5) sets the spherical groove (6) of indent, described in disclose the diameter of pin (5) less than guiding cylinder
With the through hole internal diameter of hollow screw, the length disclosing pin (5) more than hollow screw length and guides tube length degree sum, discloses pin (5)
Rear portion external diameter surface is provided with degree at quarter (7).
Fracture of femoral neck bone grafting instrument the most according to claim 1, is characterized in that, disclosing the rear portion of pin (5), to set area of section big
Body (8) is pushed away in disclose pin.
Fracture of femoral neck bone grafting instrument the most according to claim 2, is characterized in that, the block body (2) of described guiding cylinder (1) is with logical
Set round and smooth arcwall face transition between hole (3), guide cylinder (1) surface to set anti-skid structure.
Fracture of femoral neck bone grafting instrument the most according to claim 3, is characterized in that, a length of 90mm-of described guiding cylinder (1)
120mm。
Fracture of femoral neck bone grafting instrument the most according to claim 4, is characterized in that, described guiding cylinder (1) is medical plastic material
Matter, disclosing pin (5) is medical metal material.
Fracture of femoral neck bone grafting instrument the most according to claim 5, is characterized in that, described in disclose the external diameter of pin (5) be 2.7-
2.85mm, guides the internal diameter of cylinder (1) to be all 2.9mm with the internal diameter of hollow screw.
Fracture of femoral neck bone grafting instrument the most according to claim 6, is characterized in that, described in disclose the external diameter of pin (5) be 2.8mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610636380.7A CN106264701A (en) | 2016-08-05 | 2016-08-05 | Fracture of femoral neck bone grafting instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610636380.7A CN106264701A (en) | 2016-08-05 | 2016-08-05 | Fracture of femoral neck bone grafting instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106264701A true CN106264701A (en) | 2017-01-04 |
Family
ID=57665667
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610636380.7A Pending CN106264701A (en) | 2016-08-05 | 2016-08-05 | Fracture of femoral neck bone grafting instrument |
Country Status (1)
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| CN (1) | CN106264701A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112022442A (en) * | 2020-09-11 | 2020-12-04 | 枣庄市立医院 | Bone grafting device for orthopedics clinic |
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|---|---|---|---|---|
| US20030055316A1 (en) * | 2001-09-19 | 2003-03-20 | Brannon James Kevin | Endoscopic bone debridement |
| FR2829690A1 (en) * | 2001-09-19 | 2003-03-21 | Inoteb | Instrument for placing spheres of biomaterial in bone cavity comprises hollow cylindrical body with guide rod and piston |
| US20040122442A1 (en) * | 2002-12-20 | 2004-06-24 | High Plains Technology Group, Llc | Bone screw fastener and apparatus for inserting and removing same |
| CN2824856Y (en) * | 2006-01-16 | 2006-10-11 | 王大伟 | Apparatus for implanting osteoinduction material into femoral head |
| WO2006134813A1 (en) * | 2005-06-14 | 2006-12-21 | Olympus Biomaterial Corp. | Bone supplementing material introducing device, method of operating the device, and bone supplementing material |
| CN201239222Y (en) * | 2008-08-16 | 2009-05-20 | 王洪兵 | Transpedicular intervertebral bone grafting instrument |
| US20100312292A1 (en) * | 2001-10-18 | 2010-12-09 | Orthoip, Llc | Lagwire system and method for the fixation of bone fractures |
| CN202096280U (en) * | 2011-05-23 | 2012-01-04 | 陈长青 | Bone grafting instrument for fractured vertebra |
| US20120116459A1 (en) * | 2010-11-02 | 2012-05-10 | Nottmeier Eric W | Bone Fixation Device and Methods for Use Thereof |
| CN104337564A (en) * | 2013-08-07 | 2015-02-11 | 黄峰 | Depth-limited bone grafting instrument |
| CN105286977A (en) * | 2015-12-07 | 2016-02-03 | 付松 | Inter-vertebral bone grafting instrument |
| CN206167021U (en) * | 2016-08-05 | 2017-05-17 | 王成斌 | Femoral neck fracture bone grafting instrument |
-
2016
- 2016-08-05 CN CN201610636380.7A patent/CN106264701A/en active Pending
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030055316A1 (en) * | 2001-09-19 | 2003-03-20 | Brannon James Kevin | Endoscopic bone debridement |
| FR2829690A1 (en) * | 2001-09-19 | 2003-03-21 | Inoteb | Instrument for placing spheres of biomaterial in bone cavity comprises hollow cylindrical body with guide rod and piston |
| US20100312292A1 (en) * | 2001-10-18 | 2010-12-09 | Orthoip, Llc | Lagwire system and method for the fixation of bone fractures |
| US20040122442A1 (en) * | 2002-12-20 | 2004-06-24 | High Plains Technology Group, Llc | Bone screw fastener and apparatus for inserting and removing same |
| WO2006134813A1 (en) * | 2005-06-14 | 2006-12-21 | Olympus Biomaterial Corp. | Bone supplementing material introducing device, method of operating the device, and bone supplementing material |
| CN2824856Y (en) * | 2006-01-16 | 2006-10-11 | 王大伟 | Apparatus for implanting osteoinduction material into femoral head |
| CN201239222Y (en) * | 2008-08-16 | 2009-05-20 | 王洪兵 | Transpedicular intervertebral bone grafting instrument |
| US20120116459A1 (en) * | 2010-11-02 | 2012-05-10 | Nottmeier Eric W | Bone Fixation Device and Methods for Use Thereof |
| CN202096280U (en) * | 2011-05-23 | 2012-01-04 | 陈长青 | Bone grafting instrument for fractured vertebra |
| CN104337564A (en) * | 2013-08-07 | 2015-02-11 | 黄峰 | Depth-limited bone grafting instrument |
| CN105286977A (en) * | 2015-12-07 | 2016-02-03 | 付松 | Inter-vertebral bone grafting instrument |
| CN206167021U (en) * | 2016-08-05 | 2017-05-17 | 王成斌 | Femoral neck fracture bone grafting instrument |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112022442A (en) * | 2020-09-11 | 2020-12-04 | 枣庄市立医院 | Bone grafting device for orthopedics clinic |
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| PB01 | Publication | ||
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170104 |
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| RJ01 | Rejection of invention patent application after publication |